#091034
Closest named color: Navy Blue (#001146). oklch(19.4% 0.071 270), rgb(9, 16, 52).
Aa
White text reads best on this color (18.49:1).
About this color
#091034 is a very dark, moderately saturated blue. In OKLCH its lightness is 19%, its chroma 0.071 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.037 away. White text reads best on it, at 18.49:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.13:1 |
| White text | 18.49:1 |
Values
| HEX | #091034 |
| RGB | rgb(9, 16, 52) |
| HSL | hsl(230, 70%, 12%) |
| OKLCH | oklch(19.4% 0.071 270) |
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 #091034 | 18.49:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #091034 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #091034 text on white | 18.49:1 | AAA | Lc 104.9 | Preferred for body text |
| #091034 text on black | 1.13:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ABBFF8
oklch(81% 0.084 269.5)
-
Step 400
400
#809BF5
oklch(70.7% 0.135 270)
-
Step 500
500
#627FF1
oklch(63.1% 0.173 270.1)
-
Step 600
600
#4B65DF
oklch(55.6% 0.188 270.1)
-
Step 700
700
#3D53C2
oklch(49.1% 0.175 270.2)
-
Step 800
800
#32459D
oklch(42.8% 0.145 270)
-
Step 900
900
#2B3B7C
oklch(37.7% 0.112 269.9)
-
Step 950
950 (this color)
#091034
oklch(19.4% 0.071 270)
#091034 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) | #001635 | 0.021 |
| Deuteranopia (no green cones) | #001233 | 0.015 |
| Tritanopia (no blue cones) | #00191F | 0.059 |
| Achromatopsia (no color) | #141414 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091034
#091034
oklch(19.4% 0.071 270)
- #1C1400
#1C1400
oklch(19.6% 0.04 90.3)
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 #091034, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.037
- Dark Navy #000435 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.046
- Night Blue #040348 ΔE 0.049
- Very Dark Blue #000133 ΔE 0.054
- Midnight #03012D ΔE 0.054
- Dark Navy Blue #00022E ΔE 0.055
- Rich Navy #001219 ΔE 0.060
Use #091034 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.