#245F74
Closest named color: Petrol (#005F6A). oklch(45.6% 0.069 225), rgb(36, 95, 116).
Aa
White text reads best on this color (7.08:1).
About this color
#245F74 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.069 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.025 away. White text reads best on it, at 7.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #245F74 |
| RGB | rgb(36, 95, 116) |
| HSL | hsl(196, 53%, 30%) |
| OKLCH | oklch(45.6% 0.069 225) |
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 #245F74 | 7.08:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #245F74 | 2.96:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #245F74 text on white | 7.08:1 | AAA | Lc 84.3 | Fine for body text |
| #245F74 text on black | 2.96:1 | Fails | Lc -17.6 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A6C7D4
oklch(81% 0.04 223.7)
-
Step 400
400
#74AABF
oklch(70.8% 0.064 224.3)
-
Step 500
500
#4C94AF
oklch(63.1% 0.083 225)
-
Step 600
600
#2A7E9B
oklch(55.6% 0.09 225.2)
-
Step 700
700
#1B6A84
oklch(49% 0.083 225)
-
Step 800
800 (this color)
#245F74
oklch(45.6% 0.069 225)
-
Step 900
900
#1D4857
oklch(37.8% 0.054 223.9)
-
Step 950
950
#122A33
oklch(27% 0.034 224.8)
#245F74 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) | #535D75 | 0.053 |
| Deuteranopia (no green cones) | #485574 | 0.046 |
| Tritanopia (no blue cones) | #006566 | 0.038 |
| Achromatopsia (no color) | #585858 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #245F74
#245F74
oklch(45.6% 0.069 225)
- #774A36
#774A36
oklch(45.6% 0.069 44.6)
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 #245F74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.025
- YInMn Blue #415A77 ΔE 0.033
- Dark Aqua #05696B ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.042
- Denim #3B638C ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.051
- Peacock Blue #016795 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.054
Use #245F74 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.