#07557D
Closest named color: Deep Sea Blue (#015482). oklch(42.8% 0.094 239.4), rgb(7, 85, 125).
Aa
White text reads best on this color (8.06:1).
About this color
#07557D is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.094 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.010 away. White text reads best on it, at 8.06:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #07557D |
| RGB | rgb(7, 85, 125) |
| HSL | hsl(200, 89%, 26%) |
| OKLCH | oklch(42.8% 0.094 239.4) |
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 #07557D | 8.06:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #07557D | 2.60:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #07557D text on white | 8.06:1 | AAA | Lc 87.4 | Fine for body text |
| #07557D text on black | 2.60:1 | Fails | Lc -14.7 | Not readable |
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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF4
oklch(93.7% 0.016 239.1)
-
Step 200
200
#C8DCEC
oklch(88.4% 0.031 242)
-
Step 300
300
#A1C6E1
oklch(80.9% 0.055 240)
-
Step 400
400
#6BA8D2
oklch(70.6% 0.088 239.8)
-
Step 500
500
#3E92C6
oklch(63.1% 0.112 239.3)
-
Step 600
600
#0F7BB3
oklch(55.6% 0.123 239.7)
-
Step 700
700
#006899
oklch(49.2% 0.111 239.3)
-
Step 800
800 (this color)
#07557D
oklch(42.8% 0.094 239.4)
-
Step 900
900
#134664
oklch(37.6% 0.073 239.3)
-
Step 950
950
#0E293B
oklch(27% 0.047 240.8)
#07557D 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) | #42567F | 0.049 |
| Deuteranopia (no green cones) | #324C7C | 0.037 |
| Tritanopia (no blue cones) | #005F63 | 0.061 |
| Achromatopsia (no color) | #505050 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #07557D
#07557D
oklch(42.8% 0.094 239.4)
- #74410C
#74410C
oklch(42.9% 0.094 60)
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 #07557D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.010
- Light Navy #155084 ΔE 0.022
- Dusk Blue #26538D ΔE 0.035
- Light Navy Blue #2E5A88 ΔE 0.036
- Petrol #005F6A ΔE 0.051
- YInMn Blue #415A77 ΔE 0.052
- Cobalt #1E488F ΔE 0.053
- Twilight Blue #0A437A ΔE 0.055
Use #07557D 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.