#2F5190
Closest named color: Dusk Blue (#26538D). oklch(44.3% 0.111 261.6), rgb(47, 81, 144).
Aa
White text reads best on this color (7.77:1).
About this color
#2F5190 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.111 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.011 away. White text reads best on it, at 7.77:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #2F5190 |
| RGB | rgb(47, 81, 144) |
| HSL | hsl(219, 51%, 37%) |
| OKLCH | oklch(44.3% 0.111 261.6) |
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 #2F5190 | 7.77:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #2F5190 | 2.70:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #2F5190 text on white | 7.77:1 | AAA | Lc 86.8 | Fine for body text |
| #2F5190 text on black | 2.70:1 | Fails | Lc -15.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF2
oklch(88.5% 0.036 261.3)
-
Step 300
300
#AAC2EB
oklch(81% 0.064 261.1)
-
Step 400
400
#7CA1E2
oklch(70.8% 0.104 261.3)
-
Step 500
500
#5B88D9
oklch(63.1% 0.132 261.4)
-
Step 600
600
#4170C7
oklch(55.6% 0.145 261.5)
-
Step 700
700
#335DAC
oklch(49.1% 0.135 261.7)
-
Step 800
800 (this color)
#2F5190
oklch(44.3% 0.111 261.6)
-
Step 900
900
#27406F
oklch(37.6% 0.087 261.9)
-
Step 950
950
#172641
oklch(27% 0.055 261.4)
#2F5190 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) | #345792 | 0.019 |
| Deuteranopia (no green cones) | #244E8F | 0.015 |
| Tritanopia (no blue cones) | #005F69 | 0.091 |
| Achromatopsia (no color) | #525252 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5190
#2F5190
oklch(44.3% 0.111 261.6)
- #6C4D00
#6C4D00
oklch(44.2% 0.091 81.9)
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 #2F5190, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.011
- Light Navy #155084 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.032
- Cobalt #1E488F ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.039
- Twilight #4E518B ΔE 0.040
- Dusk #4E5481 ΔE 0.048
Use #2F5190 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.