#061731
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.057 258.3), rgb(6, 23, 49).
Aa
White text reads best on this color (17.87:1).
About this color
#061731 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.057 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.024 away. White text reads best on it, at 17.87:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.87:1 |
Values
| HEX | #061731 |
| RGB | rgb(6, 23, 49) |
| HSL | hsl(216, 78%, 11%) |
| OKLCH | oklch(20.7% 0.057 258.3) |
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 #061731 | 17.87:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #061731 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #061731 text on white | 17.87:1 | AAA | Lc 104.5 | Preferred for body text |
| #061731 text on black | 1.17:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADAF2
oklch(88.4% 0.037 258.4)
-
Step 300
300
#A6C2EC
oklch(80.8% 0.067 258.4)
-
Step 400
400
#76A2E3
oklch(70.7% 0.107 258)
-
Step 500
500
#5289DB
oklch(63% 0.137 258.2)
-
Step 600
600
#3671C9
oklch(55.5% 0.15 258.4)
-
Step 700
700
#295FAE
oklch(49.2% 0.139 258.2)
-
Step 800
800
#234E8D
oklch(42.8% 0.115 258.1)
-
Step 900
900
#214170
oklch(37.6% 0.089 258)
-
Step 950
950 (this color)
#061731
oklch(20.7% 0.057 258.3)
#061731 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) | #0A1932 | 0.009 |
| Deuteranopia (no green cones) | #031530 | 0.009 |
| Tritanopia (no blue cones) | #001D21 | 0.044 |
| Achromatopsia (no color) | #171717 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #061731
#061731
oklch(20.7% 0.057 258.3)
- #221500
#221500
oklch(20.8% 0.043 79.6)
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 #061731, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.024
- Navy Blue #001146 ΔE 0.046
- Rich Navy #001219 ΔE 0.053
- Dark #1B2431 ΔE 0.058
- Dark Navy #000435 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.064
- Night Blue #040348 ΔE 0.067
- Jet #212529 ΔE 0.073
Use #061731 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.