#2E7F99
Closest named color: Cerulean (#457B9D). oklch(55.9% 0.086 223), rgb(46, 127, 153).
Aa
Black text reads best on this color (4.61:1).
About this color
#2E7F99 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.086 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.023 away. Black text reads best on it, at 4.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.61:1 |
| White text | 4.55:1 |
Values
| HEX | #2E7F99 |
| RGB | rgb(46, 127, 153) |
| HSL | hsl(195, 54%, 39%) |
| OKLCH | oklch(55.9% 0.086 223) |
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 #2E7F99 | 4.55:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #2E7F99 | 4.61:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #2E7F99 text on white | 4.55:1 | AA | Lc 71.3 | Content text, not long reading |
| #2E7F99 text on black | 4.61:1 | AA | Lc -30.3 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE4
oklch(88.6% 0.022 223)
-
Step 300
300
#A6C7D3
oklch(80.9% 0.039 221.9)
-
Step 400
400
#75AABD
oklch(70.8% 0.062 222.4)
-
Step 500
500
#4E94AD
oklch(63.1% 0.08 223.6)
-
Step 600
600 (this color)
#2E7F99
oklch(55.9% 0.086 223)
-
Step 700
700
#1E6A82
oklch(49% 0.081 223.6)
-
Step 800
800
#1C5769
oklch(42.7% 0.066 222)
-
Step 900
900
#1E4856
oklch(37.8% 0.052 222.7)
-
Step 950
950
#132A32
oklch(27% 0.033 222.8)
#2E7F99 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) | #707C9A | 0.069 |
| Deuteranopia (no green cones) | #617199 | 0.061 |
| Tritanopia (no blue cones) | #008787 | 0.046 |
| Achromatopsia (no color) | #767676 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E7F99
#2E7F99
oklch(55.9% 0.086 223)
- #9F634A
#9F634A
oklch(56% 0.087 43.2)
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 #2E7F99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.023
- Ocean #017B92 ΔE 0.025
- Teal Blue #01889F ΔE 0.027
- Stormy Blue #507B9C ΔE 0.032
- Dull Blue #49759C ΔE 0.036
- Sea Blue #047495 ΔE 0.040
- Metallic Blue #4F738E ΔE 0.041
- Blue NCS #118AB2 ΔE 0.043
Use #2E7F99 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.