#245D5E
Closest named color: Petrol (#005F6A). oklch(44.2% 0.059 196.8), rgb(36, 93, 94).
Aa
White text reads best on this color (7.49:1).
About this color
#245D5E is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.059 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.022 away. White text reads best on it, at 7.49:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #245D5E |
| RGB | rgb(36, 93, 94) |
| HSL | hsl(181, 45%, 25%) |
| OKLCH | oklch(44.2% 0.059 196.8) |
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 #245D5E | 7.49:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #245D5E | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #245D5E text on white | 7.49:1 | AAA | Lc 85.8 | Fine for body text |
| #245D5E text on black | 2.80:1 | Fails | Lc -16.2 | 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 800.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDD
oklch(88.4% 0.019 196.8)
-
Step 300
300
#A8C8C8
oklch(80.9% 0.034 196.5)
-
Step 400
400
#77ACAC
oklch(70.8% 0.056 196)
-
Step 500
500
#519798
oklch(63.1% 0.071 196.7)
-
Step 600
600
#318183
oklch(55.6% 0.077 197.5)
-
Step 700
700
#236D6E
oklch(49.1% 0.071 196.4)
-
Step 800
800 (this color)
#245D5E
oklch(44.2% 0.059 196.8)
-
Step 900
900
#20494A
oklch(37.7% 0.046 197.5)
-
Step 950
950
#142B2B
oklch(27% 0.029 195.6)
#245D5E 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) | #57595E | 0.061 |
| Deuteranopia (no green cones) | #4D525E | 0.056 |
| Tritanopia (no blue cones) | #00605D | 0.018 |
| Achromatopsia (no color) | #555555 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #245D5E
#245D5E
oklch(44.2% 0.059 196.8)
- #704547
#704547
oklch(44.1% 0.06 16.7)
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 #245D5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.022
- Dark Green Blue #1F6357 ΔE 0.026
- Deep Teal #00555A ΔE 0.035
- Dark Aqua #05696B ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Blue Green #005249 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.057
- Dark Teal #014D4E ΔE 0.061
Use #245D5E 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.