#0F4058
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.2% 0.065 234.8), rgb(15, 64, 88).
Aa
White text reads best on this color (11.08:1).
About this color
#0F4058 is a dark, muted blue. In OKLCH its lightness is 35%, its chroma 0.065 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.023 away. White text reads best on it, at 11.08:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.89:1 |
| White text | 11.08:1 |
Values
| HEX | #0F4058 |
| RGB | rgb(15, 64, 88) |
| HSL | hsl(200, 71%, 20%) |
| OKLCH | oklch(35.2% 0.065 234.8) |
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 #0F4058 | 11.08:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #0F4058 | 1.89:1 | Fails | Lc 8.6 | Not readable |
| #0F4058 text on white | 11.08:1 | AAA | Lc 95.3 | Preferred for body text |
| #0F4058 text on black | 1.89:1 | Fails | Lc -7.3 | 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
#C9DDE9
oklch(88.6% 0.027 234)
-
Step 300
300
#A3C6DC
oklch(80.8% 0.049 235.8)
-
Step 400
400
#6EA9CB
oklch(70.7% 0.079 234.8)
-
Step 500
500
#4493BD
oklch(63.1% 0.1 234.7)
-
Step 600
600
#1C7CA9
oklch(55.5% 0.109 235)
-
Step 700
700
#096991
oklch(49.1% 0.101 234.3)
-
Step 800
800
#105676
oklch(42.8% 0.083 234.4)
-
Step 900
900 (this color)
#0F4058
oklch(35.2% 0.065 234.8)
-
Step 950
950
#0F2A38
oklch(27.1% 0.042 233.9)
#0F4058 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) | #344059 | 0.040 |
| Deuteranopia (no green cones) | #2A3958 | 0.032 |
| Tritanopia (no blue cones) | #004648 | 0.040 |
| Achromatopsia (no color) | #3C3C3C | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F4058
#0F4058
oklch(35.2% 0.065 234.8)
- #553117
#553117
oklch(35.2% 0.065 54.6)
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 #0F4058, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.023
- Midnight Green #073B4C ΔE 0.026
- Charcoal #264653 ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.036
- Marine Blue #01386A ΔE 0.046
- Dark Teal #014D4E ΔE 0.052
- Onyx #343A40 ΔE 0.053
Use #0F4058 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.