#247E8E
Closest named color: Ocean (#017B92). oklch(54.9% 0.085 212.2), rgb(36, 126, 142).
Aa
White text reads best on this color (4.71:1).
About this color
#247E8E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.085 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.017 away. White text reads best on it, at 4.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.44:1 |
| White text | 4.71:1 |
Values
| HEX | #247E8E |
| RGB | rgb(36, 126, 142) |
| HSL | hsl(189, 60%, 35%) |
| OKLCH | oklch(54.9% 0.085 212.2) |
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 #247E8E | 4.71:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #247E8E | 4.44:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #247E8E text on white | 4.71:1 | AA | Lc 72.4 | Content text, not long reading |
| #247E8E text on black | 4.44:1 | AA large text | Lc -29.2 | Dividers and decoration only |
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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A5C8CF
oklch(81% 0.039 211.1)
-
Step 400
400
#73ABB7
oklch(70.7% 0.061 212.6)
-
Step 500
500
#4A96A5
oklch(63.1% 0.078 212.2)
-
Step 600
600 (this color)
#247E8E
oklch(54.9% 0.085 212.2)
-
Step 700
700
#176C7B
oklch(49% 0.079 212.7)
-
Step 800
800
#185864
oklch(42.7% 0.065 212.9)
-
Step 900
900
#1C4951
oklch(37.8% 0.051 211)
-
Step 950
950
#122B30
oklch(27.1% 0.032 212.2)
#247E8E 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) | #72798F | 0.079 |
| Deuteranopia (no green cones) | #636F8E | 0.070 |
| Tritanopia (no blue cones) | #008583 | 0.033 |
| Achromatopsia (no color) | #737373 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #247E8E
#247E8E
oklch(54.9% 0.085 212.2)
- #9C5E51
#9C5E51
oklch(54.8% 0.084 32.6)
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 #247E8E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.017
- Teal #008080 ΔE 0.029
- Deep Aqua #08787F ΔE 0.031
- Teal Blue #01889F ΔE 0.033
- Bluegreen #017A79 ΔE 0.037
- Cerulean #457B9D ΔE 0.039
- Sea Blue #047495 ΔE 0.039
- Dark Cyan #008B8B ΔE 0.042
Use #247E8E 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.