#09425B
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.8% 0.069 233.5), rgb(9, 66, 91).
Aa
White text reads best on this color (10.81:1).
About this color
#09425B is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.069 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.030 away. White text reads best on it, at 10.81:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.94:1 |
| White text | 10.81:1 |
Values
| HEX | #09425B |
| RGB | rgb(9, 66, 91) |
| HSL | hsl(198, 82%, 20%) |
| OKLCH | oklch(35.8% 0.069 233.5) |
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 #09425B | 10.81:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #09425B | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #09425B text on white | 10.81:1 | AAA | Lc 94.7 | Preferred for body text |
| #09425B text on black | 1.94:1 | Fails | Lc -7.9 | 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 900.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#A0C7DD
oklch(80.9% 0.052 233)
-
Step 400
400
#6AAACD
oklch(70.8% 0.083 233.6)
-
Step 500
500
#3A94C0
oklch(63.2% 0.107 233.4)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900 (this color)
#09425B
oklch(35.8% 0.069 233.5)
-
Step 950
950
#0D2A38
oklch(27% 0.043 232.5)
#09425B 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) | #36415C | 0.044 |
| Deuteranopia (no green cones) | #2B3A5B | 0.037 |
| Tritanopia (no blue cones) | #00494B | 0.042 |
| Achromatopsia (no color) | #3D3D3D | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09425B
#09425B
oklch(35.8% 0.069 233.5)
- #583116
#583116
oklch(35.7% 0.069 53.2)
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 #09425B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.031
- Midnight Green #073B4C ΔE 0.032
- Charcoal #264653 ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.041
- Marine Blue #01386A ΔE 0.046
- Dark Teal #014D4E ΔE 0.049
- Twilight Blue #0A437A ΔE 0.054
Use #09425B 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.