#2F486C
Closest named color: Dark Grey Blue (#29465B). oklch(39.9% 0.069 257.5), rgb(47, 72, 108).
Aa
White text reads best on this color (9.27:1).
About this color
#2F486C is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.031 away. White text reads best on it, at 9.27:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #2F486C |
| RGB | rgb(47, 72, 108) |
| HSL | hsl(215, 39%, 30%) |
| OKLCH | oklch(39.9% 0.069 257.5) |
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 #2F486C | 9.27:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #2F486C | 2.26:1 | Fails | Lc 12.7 | Not readable |
| #2F486C text on white | 9.27:1 | AAA | Lc 91.3 | Preferred for body text |
| #2F486C text on black | 2.26:1 | Fails | Lc -11.1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ACC2E2
oklch(80.8% 0.051 257.7)
-
Step 400
400
#80A2D4
oklch(70.6% 0.083 257.9)
-
Step 500
500
#608BC9
oklch(63.2% 0.105 257.5)
-
Step 600
600
#4674B5
oklch(55.6% 0.114 257.2)
-
Step 700
700
#37619C
oklch(49.1% 0.106 257.2)
-
Step 800
800
#2E4F7F
oklch(42.7% 0.089 257.8)
-
Step 900
900 (this color)
#2F486C
oklch(39.9% 0.069 257.5)
-
Step 950
950
#19273C
oklch(27.1% 0.044 258.3)
#2F486C 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) | #3A4A6E | 0.017 |
| Deuteranopia (no green cones) | #32446B | 0.012 |
| Tritanopia (no blue cones) | #0D5055 | 0.061 |
| Achromatopsia (no color) | #474747 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F486C
#2F486C
oklch(39.9% 0.069 257.5)
- #5C4217
#5C4217
oklch(39.9% 0.068 76.9)
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 #2F486C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.031
- Twilight Blue #0A437A ΔE 0.044
- Light Navy #155084 ΔE 0.045
- Charcoal #264653 ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.049
- Dusk Blue #26538D ΔE 0.058
- Cobalt #1E488F ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.061
Use #2F486C 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.