#01659D
Closest named color: Peacock Blue (#016795). oklch(48.7% 0.119 243.5), rgb(1, 101, 157).
Aa
White text reads best on this color (6.26:1).
About this color
#01659D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.119 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.016 away. White text reads best on it, at 6.26:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.34:1 |
| White text | 6.26:1 |
Values
| HEX | #01659D |
| RGB | rgb(1, 101, 157) |
| HSL | hsl(202, 99%, 31%) |
| OKLCH | oklch(48.7% 0.119 243.5) |
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 #01659D | 6.26:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #01659D | 3.34:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #01659D text on white | 6.26:1 | AA | Lc 80.6 | Fine for body text |
| #01659D text on black | 3.34:1 | AA large text | Lc -21.2 | 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 700.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A1C6E3
oklch(80.9% 0.057 242)
-
Step 400
400
#6DA7D6
oklch(70.7% 0.092 244.1)
-
Step 500
500
#4190CB
oklch(63% 0.118 243.9)
-
Step 600
600
#177AB8
oklch(55.7% 0.128 243.3)
-
Step 700
700 (this color)
#01659D
oklch(48.7% 0.119 243.5)
-
Step 800
800
#0C5380
oklch(42.6% 0.099 243.7)
-
Step 900
900
#164567
oklch(37.6% 0.077 244.1)
-
Step 950
950
#0F293C
oklch(27.1% 0.048 243)
#01659D 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) | #4A679F | 0.052 |
| Deuteranopia (no green cones) | #355B9C | 0.036 |
| Tritanopia (no blue cones) | #007379 | 0.082 |
| Achromatopsia (no color) | #606060 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01659D
#01659D
oklch(48.7% 0.119 243.5)
- #8A4F00
#8A4F00
oklch(48.6% 0.111 63.4)
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 #01659D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.016
- Ocean Blue #03719C ΔE 0.037
- Denim #3B638C ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.041
- Mid Blue #276AB3 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.048
- Sea Blue #047495 ΔE 0.050
Use #01659D 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.