#1F5082
Closest named color: Light Navy (#155084). oklch(42.4% 0.099 251.7), rgb(31, 80, 130).
Aa
White text reads best on this color (8.30:1).
About this color
#1F5082 is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.099 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.007 away. White text reads best on it, at 8.30:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #1F5082 |
| RGB | rgb(31, 80, 130) |
| HSL | hsl(210, 61%, 32%) |
| OKLCH | oklch(42.4% 0.099 251.7) |
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 #1F5082 | 8.30:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #1F5082 | 2.52:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #1F5082 text on white | 8.30:1 | AAA | Lc 88.4 | Fine for body text |
| #1F5082 text on black | 2.52:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A6C4E5
oklch(80.9% 0.057 251)
-
Step 400
400
#75A4D9
oklch(70.6% 0.093 252.1)
-
Step 500
500
#508DCE
oklch(63.1% 0.117 251.5)
-
Step 600
600
#3276BB
oklch(55.6% 0.127 251.5)
-
Step 700
700
#2463A1
oklch(49.1% 0.118 251.3)
-
Step 800
800 (this color)
#1F5082
oklch(42.4% 0.099 251.7)
-
Step 900
900
#204369
oklch(37.6% 0.077 252.2)
-
Step 950
950
#13283D
oklch(27.1% 0.048 250)
#1F5082 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) | #395384 | 0.029 |
| Deuteranopia (no green cones) | #2A4A81 | 0.019 |
| Tritanopia (no blue cones) | #005C62 | 0.076 |
| Achromatopsia (no color) | #4E4E4E | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F5082
#1F5082
oklch(42.4% 0.099 251.7)
- #6C4400
#6C4400
oklch(42.3% 0.091 71.6)
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 #1F5082, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.007
- Deep Sea Blue #015482 ΔE 0.017
- Dusk Blue #26538D ΔE 0.021
- Cobalt #1E488F ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.035
- Twilight Blue #0A437A ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.051
- YInMn Blue #415A77 ΔE 0.055
Use #1F5082 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.