#2B97D4
Closest named color: Dark Sky Blue (#448EE4). oklch(64.5% 0.131 239.1), rgb(43, 151, 212).
Aa
Black text reads best on this color (6.48:1).
About this color
#2B97D4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.131 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.041 away. Black text reads best on it, at 6.48:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.48:1 |
| White text | 3.24:1 |
Values
| HEX | #2B97D4 |
| RGB | rgb(43, 151, 212) |
| HSL | hsl(202, 66%, 50%) |
| OKLCH | oklch(64.5% 0.131 239.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2B97D4 | 3.24:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #2B97D4 | 6.48:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #2B97D4 text on white | 3.24:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #2B97D4 text on black | 6.48:1 | AA | Lc -42.5 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEF
oklch(88.5% 0.036 240.3)
-
Step 300
300
#9BC7E6
oklch(80.9% 0.064 239.3)
-
Step 400
400
#60A9D9
oklch(70.6% 0.102 239.2)
-
Step 500
500 (this color)
#2B97D4
oklch(64.5% 0.131 239.1)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#072A3E
oklch(27.2% 0.054 238.7)
#2B97D4 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7A97D7 | 0.069 |
| Deuteranopia (no green cones) | #6388D3 | 0.055 |
| Tritanopia (no blue cones) | #00A6AC | 0.086 |
| Achromatopsia (no color) | #8F8F8F | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B97D4
#2B97D4
oklch(64.5% 0.131 239.1)
- #C7782F
#C7782F
oklch(64.6% 0.13 59.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2B97D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.041
- Chefchaouen Blue #4895EF ΔE 0.048
- Water Blue #0E87CC ΔE 0.048
- Faded Blue #658CBB ΔE 0.056
- Cool Blue #4984B8 ΔE 0.059
- Blue NCS #118AB2 ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.061
- Steel Blue #4682B4 ΔE 0.066
Use #2B97D4 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.