#245E6C
Closest named color: Petrol (#005F6A). oklch(45% 0.063 216.4), rgb(36, 94, 108).
Aa
White text reads best on this color (7.25:1).
About this color
#245E6C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.063 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.017 away. White text reads best on it, at 7.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #245E6C |
| RGB | rgb(36, 94, 108) |
| HSL | hsl(192, 50%, 28%) |
| OKLCH | oklch(45% 0.063 216.4) |
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 #245E6C | 7.25:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #245E6C | 2.89:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #245E6C text on white | 7.25:1 | AAA | Lc 85.0 | Fine for body text |
| #245E6C text on black | 2.89:1 | Fails | Lc -17.0 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7D0
oklch(80.9% 0.037 216.6)
-
Step 400
400
#75AAB9
oklch(70.6% 0.06 217.4)
-
Step 500
500
#4E95A7
oklch(63.1% 0.076 216.3)
-
Step 600
600
#2D7F92
oklch(55.5% 0.082 216.1)
-
Step 700
700
#1F6B7D
oklch(49.1% 0.077 217.2)
-
Step 800
800 (this color)
#245E6C
oklch(45% 0.063 216.4)
-
Step 900
900
#1E4852
oklch(37.6% 0.049 215.6)
-
Step 950
950
#132A30
oklch(26.9% 0.031 216.7)
#245E6C 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) | #555B6D | 0.057 |
| Deuteranopia (no green cones) | #4A536C | 0.051 |
| Tritanopia (no blue cones) | #006362 | 0.031 |
| Achromatopsia (no color) | #575757 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #245E6C
#245E6C
oklch(45% 0.063 216.4)
- #74483C
#74483C
oklch(44.9% 0.064 36)
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 #245E6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.017
- Dark Aqua #05696B ΔE 0.036
- YInMn Blue #415A77 ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.043
- Deep Teal #00555A ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.057
- Slate #516572 ΔE 0.057
Use #245E6C 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.