#404F94
Closest named color: Twilight (#4E518B). oklch(45.1% 0.114 271.9), rgb(64, 79, 148).
Aa
White text reads best on this color (7.59:1).
About this color
#404F94 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.114 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.026 away. White text reads best on it, at 7.59:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #404F94 |
| RGB | rgb(64, 79, 148) |
| HSL | hsl(229, 40%, 42%) |
| OKLCH | oklch(45.1% 0.114 271.9) |
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 #404F94 | 7.59:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #404F94 | 2.76:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #404F94 text on white | 7.59:1 | AAA | Lc 86.2 | Fine for body text |
| #404F94 text on black | 2.76:1 | Fails | Lc -15.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F2
oklch(88.4% 0.037 272)
-
Step 300
300
#B1BFEC
oklch(80.9% 0.066 271.4)
-
Step 400
400
#899CE3
oklch(70.6% 0.106 272)
-
Step 500
500
#6D82DB
oklch(63% 0.136 272)
-
Step 600
600
#566AC9
oklch(55.6% 0.148 271.9)
-
Step 700
700
#4758AE
oklch(49.2% 0.138 272)
-
Step 800
800 (this color)
#404F94
oklch(45.1% 0.114 271.9)
-
Step 900
900
#313D70
oklch(37.6% 0.088 271.6)
-
Step 950
950
#1D2442
oklch(27% 0.057 272.2)
#404F94 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) | #305897 | 0.028 |
| Deuteranopia (no green cones) | #255093 | 0.030 |
| Tritanopia (no blue cones) | #115E6A | 0.101 |
| Achromatopsia (no color) | #545454 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404F94
#404F94
oklch(45.1% 0.114 271.9)
- #685300
#685300
oklch(45.1% 0.092 91.8)
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 #404F94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.026
- Dusk Blue #26538D ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.035
- Blueberry #464196 ΔE 0.037
- Dusk #4E5481 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.044
- Cobalt #1E488F ΔE 0.046
- Dusky Blue #475F94 ΔE 0.048
Use #404F94 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.