#2D97DD
Closest named color: Dark Sky Blue (#448EE4). oklch(65% 0.14 243), rgb(45, 151, 221).
Aa
Black text reads best on this color (6.58:1).
About this color
#2D97DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.140 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.031 away. Black text reads best on it, at 6.58:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.58:1 |
| White text | 3.19:1 |
Values
| HEX | #2D97DD |
| RGB | rgb(45, 151, 221) |
| HSL | hsl(204, 72%, 52%) |
| OKLCH | oklch(65% 0.14 243) |
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 #2D97DD | 3.19:1 | AA large text | Lc -64.1 | Content text, not long reading |
| Black text on #2D97DD | 6.58:1 | AA | Lc 45.4 | Large or bold text, headings |
| #2D97DD text on white | 3.19:1 | AA large text | Lc 58.7 | Large or bold text, headings |
| #2D97DD text on black | 6.58:1 | AA | Lc -43.1 | 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
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C4DDF1
oklch(88.5% 0.038 242.2)
-
Step 300
300
#9BC6EA
oklch(80.8% 0.069 244)
-
Step 400
400
#5FA8DF
oklch(70.6% 0.109 242.9)
-
Step 500
500 (this color)
#2D97DD
oklch(65% 0.14 243)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466E
oklch(37.8% 0.091 242.8)
-
Step 950
950
#062940
oklch(27% 0.058 242.5)
#2D97DD 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) | #7699E0 | 0.064 |
| Deuteranopia (no green cones) | #5E89DC | 0.049 |
| Tritanopia (no blue cones) | #00A8B0 | 0.096 |
| Achromatopsia (no color) | #909090 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D97DD
#2D97DD
oklch(65% 0.14 243)
- #CA791B
#CA791B
oklch(65% 0.14 62.8)
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 #2D97DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.031
- Chefchaouen Blue #4895EF ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.051
- Water Blue #0E87CC ΔE 0.052
- Dodger Blue #1E90FF ΔE 0.058
- Soft Blue #6488EA ΔE 0.062
- Faded Blue #658CBB ΔE 0.063
- Cool Blue #4984B8 ΔE 0.067
Use #2D97DD 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.