#16587C
Closest named color: Deep Sea Blue (#015482). oklch(43.8% 0.087 238.1), rgb(22, 88, 124).
Aa
White text reads best on this color (7.71:1).
About this color
#16587C is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.087 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.020 away. White text reads best on it, at 7.71:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #16587C |
| RGB | rgb(22, 88, 124) |
| HSL | hsl(201, 70%, 29%) |
| OKLCH | oklch(43.8% 0.087 238.1) |
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 #16587C | 7.71:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #16587C | 2.72:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #16587C text on white | 7.71:1 | AAA | Lc 86.5 | Fine for body text |
| #16587C text on black | 2.72:1 | Fails | Lc -15.6 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A3C6DE
oklch(80.9% 0.051 238.2)
-
Step 400
400
#6FA8CE
oklch(70.7% 0.082 238.7)
-
Step 500
500
#4592C1
oklch(63.1% 0.104 238.3)
-
Step 600
600
#1E7BAD
oklch(55.5% 0.113 238.3)
-
Step 700
700
#0D6895
oklch(49.2% 0.105 238.1)
-
Step 800
800 (this color)
#16587C
oklch(43.8% 0.087 238.1)
-
Step 900
900
#184661
oklch(37.6% 0.068 238.2)
-
Step 950
950
#102939
oklch(26.9% 0.043 239.2)
#16587C 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) | #47587E | 0.048 |
| Deuteranopia (no green cones) | #394F7B | 0.038 |
| Tritanopia (no blue cones) | #006164 | 0.057 |
| Achromatopsia (no color) | #535353 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #16587C
#16587C
oklch(43.8% 0.087 238.1)
- #75451B
#75451B
oklch(43.9% 0.086 58.5)
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 #16587C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.029
- Light Navy #155084 ΔE 0.031
- Dusk Blue #26538D ΔE 0.037
- YInMn Blue #415A77 ΔE 0.041
- Petrol #005F6A ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.051
- Peacock Blue #016795 ΔE 0.054
Use #16587C 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.