#245F6F
Closest named color: Petrol (#005F6A). oklch(45.4% 0.065 218.8), rgb(36, 95, 111).
Aa
White text reads best on this color (7.13:1).
About this color
#245F6F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.065 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.020 away. White text reads best on it, at 7.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #245F6F |
| RGB | rgb(36, 95, 111) |
| HSL | hsl(193, 51%, 29%) |
| OKLCH | oklch(45.4% 0.065 218.8) |
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 #245F6F | 7.13:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #245F6F | 2.94:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #245F6F text on white | 7.13:1 | AAA | Lc 84.5 | Fine for body text |
| #245F6F text on black | 2.94:1 | Fails | Lc -17.4 | 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
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A6C7D1
oklch(80.9% 0.038 218.1)
-
Step 400
400
#75AABB
oklch(70.7% 0.061 219.9)
-
Step 500
500
#4D95A9
oklch(63.1% 0.078 218.2)
-
Step 600
600
#2B7F95
oklch(55.6% 0.085 218.8)
-
Step 700
700
#1C6B7F
oklch(49.1% 0.079 218.9)
-
Step 800
800 (this color)
#245F6F
oklch(45.4% 0.065 218.8)
-
Step 900
900
#1D4854
oklch(37.7% 0.051 218.9)
-
Step 950
950
#122A31
oklch(26.9% 0.033 219.1)
#245F6F 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) | #555C70 | 0.056 |
| Deuteranopia (no green cones) | #4A546F | 0.051 |
| Tritanopia (no blue cones) | #006464 | 0.032 |
| Achromatopsia (no color) | #585858 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #245F6F
#245F6F
oklch(45.4% 0.065 218.8)
- #76493B
#76493B
oklch(45.4% 0.066 38)
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 #245F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.020
- Dark Aqua #05696B ΔE 0.036
- YInMn Blue #415A77 ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.046
- Deep Teal #00555A ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.050
- Denim #3B638C ΔE 0.055
- Slate #516572 ΔE 0.055
Use #245F6F 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.