#01659E
Closest named color: Peacock Blue (#016795). oklch(48.8% 0.12 243.9), rgb(1, 101, 158).
Aa
White text reads best on this color (6.25:1).
About this color
#01659E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.120 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.017 away. White text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #01659E |
| RGB | rgb(1, 101, 158) |
| HSL | hsl(202, 99%, 31%) |
| OKLCH | oklch(48.8% 0.12 243.9) |
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 #01659E | 6.25:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #01659E | 3.35:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #01659E text on white | 6.25:1 | AA | Lc 80.6 | Fine for body text |
| #01659E text on black | 3.35:1 | AA large text | Lc -21.3 | 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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A1C6E4
oklch(81% 0.058 243)
-
Step 400
400
#6CA7D6
oklch(70.6% 0.093 243.7)
-
Step 500
500
#4190CC
oklch(63.1% 0.119 244.4)
-
Step 600
600
#1779B8
oklch(55.5% 0.129 243.9)
-
Step 700
700 (this color)
#01659E
oklch(48.8% 0.12 243.9)
-
Step 800
800
#0C5381
oklch(42.6% 0.1 244.3)
-
Step 900
900
#164567
oklch(37.6% 0.077 244.1)
-
Step 950
950
#0E293D
oklch(27.1% 0.05 243.6)
#01659E 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) | #4967A0 | 0.050 |
| Deuteranopia (no green cones) | #345B9D | 0.036 |
| Tritanopia (no blue cones) | #00737A | 0.082 |
| Achromatopsia (no color) | #606060 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01659E
#01659E
oklch(48.8% 0.12 243.9)
- #8A5000
#8A5000
oklch(48.8% 0.11 64.2)
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 #01659E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.017
- Ocean Blue #03719C ΔE 0.037
- Mid Blue #276AB3 ΔE 0.041
- Denim #3B638C ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.048
- Sea Blue #047495 ΔE 0.051
Use #01659E 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.