#1F467A
Closest named color: Twilight Blue (#0A437A). oklch(39.5% 0.099 256.5), rgb(31, 70, 122).
Aa
White text reads best on this color (9.47:1).
About this color
#1F467A is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.099 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.018 away. White text reads best on it, at 9.47:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #1F467A |
| RGB | rgb(31, 70, 122) |
| HSL | hsl(214, 59%, 30%) |
| OKLCH | oklch(39.5% 0.099 256.5) |
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 #1F467A | 9.47:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #1F467A | 2.21:1 | Fails | Lc 12.3 | Not readable |
| #1F467A text on white | 9.47:1 | AAA | Lc 91.6 | Preferred for body text |
| #1F467A text on black | 2.21:1 | Fails | Lc -10.7 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A2C3F1
oklch(80.9% 0.075 256.7)
-
Step 400
400
#6FA2E9
oklch(70.6% 0.118 256.8)
-
Step 500
500
#4789E3
oklch(63% 0.152 256.8)
-
Step 600
600
#2671D1
oklch(55.6% 0.165 256.6)
-
Step 700
700
#185EB5
oklch(49% 0.154 256.6)
-
Step 800
800
#174D92
oklch(42.6% 0.127 256.6)
-
Step 900
900 (this color)
#1F467A
oklch(39.5% 0.099 256.5)
-
Step 950
950
#102644
oklch(26.8% 0.063 256.8)
#1F467A 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) | #2D4A7C | 0.020 |
| Deuteranopia (no green cones) | #1F4279 | 0.012 |
| Tritanopia (no blue cones) | #00525A | 0.076 |
| Achromatopsia (no color) | #464646 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F467A
#1F467A
oklch(39.5% 0.099 256.5)
- #5F3F00
#5F3F00
oklch(39.4% 0.083 76.4)
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 #1F467A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.018
- Light Navy #155084 ΔE 0.031
- Cobalt #1E488F ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.041
- Dusk Blue #26538D ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.054
- Marine Blue #01386A ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.065
Use #1F467A 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.