#2E97B5
Closest named color: Blue NCS (#118AB2). oklch(63.1% 0.102 221.3), rgb(46, 151, 181).
Aa
Black text reads best on this color (6.21:1).
About this color
#2E97B5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.102 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.042 away. Black text reads best on it, at 6.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 6.21:1 |
| White text | 3.38:1 |
Values
| HEX | #2E97B5 |
| RGB | rgb(46, 151, 181) |
| HSL | hsl(193, 59%, 45%) |
| OKLCH | oklch(63.1% 0.102 221.3) |
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 #2E97B5 | 3.38:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #2E97B5 | 6.21:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #2E97B5 text on white | 3.38:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #2E97B5 text on black | 6.21:1 | AA | Lc -40.8 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300
#9EC9D8
oklch(81% 0.05 221.2)
-
Step 400
400
#64ACC4
oklch(70.6% 0.08 221.6)
-
Step 500
500 (this color)
#2E97B5
oklch(63.1% 0.102 221.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#06495B
oklch(37.7% 0.067 222.3)
-
Step 950
950
#092B35
oklch(27% 0.042 221.3)
#2E97B5 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) | #8593B7 | 0.083 |
| Deuteranopia (no green cones) | #7386B5 | 0.074 |
| Tritanopia (no blue cones) | #00A1A1 | 0.050 |
| Achromatopsia (no color) | #8C8C8C | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E97B5
#2E97B5
oklch(63.1% 0.102 221.3)
- #BD7358
#BD7358
oklch(62.9% 0.102 40.7)
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 #2E97B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.042
- Teal Green #0A9396 ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.053
- Faded Blue #658CBB ΔE 0.055
- Teal Blue #01889F ΔE 0.055
- Sea #3C9992 ΔE 0.056
- Cadet Blue #5F9EA0 ΔE 0.056
- Off Blue #5684AE ΔE 0.056
Use #2E97B5 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.