#245E77
Closest named color: Petrol (#005F6A). oklch(45.5% 0.072 229.8), rgb(36, 94, 119).
Aa
White text reads best on this color (7.13:1).
About this color
#245E77 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.072 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.030 away. White text reads best on it, at 7.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #245E77 |
| RGB | rgb(36, 94, 119) |
| HSL | hsl(198, 54%, 30%) |
| OKLCH | oklch(45.5% 0.072 229.8) |
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 #245E77 | 7.13:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #245E77 | 2.94:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #245E77 text on white | 7.13:1 | AAA | Lc 84.5 | Fine for body text |
| #245E77 text on black | 2.94:1 | Fails | Lc -17.5 | 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
#CADCE6
oklch(88.4% 0.024 231.9)
-
Step 300
300
#A6C6D7
oklch(80.9% 0.042 231.1)
-
Step 400
400
#74A9C3
oklch(70.7% 0.068 230.1)
-
Step 500
500
#4C93B3
oklch(63% 0.086 229.6)
-
Step 600
600
#2B7D9F
oklch(55.6% 0.093 229.7)
-
Step 700
700
#1C6988
oklch(49% 0.087 229.9)
-
Step 800
800 (this color)
#245E77
oklch(45.5% 0.072 229.8)
-
Step 900
900
#1D475A
oklch(37.7% 0.057 230.4)
-
Step 950
950
#122A34
oklch(27.1% 0.035 227.4)
#245E77 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) | #515D78 | 0.050 |
| Deuteranopia (no green cones) | #465477 | 0.044 |
| Tritanopia (no blue cones) | #006566 | 0.044 |
| Achromatopsia (no color) | #585858 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #245E77
#245E77
oklch(45.5% 0.072 229.8)
- #774A31
#774A31
oklch(45.5% 0.072 49.3)
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 #245E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.030
- YInMn Blue #415A77 ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.035
- Denim #3B638C ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.045
- Dark Aqua #05696B ΔE 0.047
- Peacock Blue #016795 ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.054
Use #245E77 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.