#405AAE
Closest named color: Mid Blue (#276AB3). oklch(49.2% 0.137 268.1), rgb(64, 90, 174).
Aa
White text reads best on this color (6.37:1).
About this color
#405AAE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.137 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.045 away. White text reads best on it, at 6.37:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.29:1 |
| White text | 6.37:1 |
Values
| HEX | #405AAE |
| RGB | rgb(64, 90, 174) |
| HSL | hsl(226, 46%, 47%) |
| OKLCH | oklch(49.2% 0.137 268.1) |
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 #405AAE | 6.37:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #405AAE | 3.29:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #405AAE text on white | 6.37:1 | AA | Lc 81.5 | Fine for body text |
| #405AAE text on black | 3.29:1 | AA large text | Lc -20.4 | 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 700.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AEC0ED
oklch(81% 0.067 267.8)
-
Step 400
400
#849EE3
oklch(70.7% 0.106 267.9)
-
Step 500
500
#6684DB
oklch(63% 0.136 268)
-
Step 600
600
#4F6CC9
oklch(55.6% 0.148 268.3)
-
Step 700
700 (this color)
#405AAE
oklch(49.2% 0.137 268.1)
-
Step 800
800
#354A8D
oklch(42.8% 0.114 268.2)
-
Step 900
900
#2E3E70
oklch(37.7% 0.088 268.6)
-
Step 950
950
#1B2542
oklch(27.1% 0.056 268.2)
#405AAE 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) | #2F64B1 | 0.029 |
| Deuteranopia (no green cones) | #1A5AAC | 0.034 |
| Tritanopia (no blue cones) | #006D7B | 0.117 |
| Achromatopsia (no color) | #5F5F5F | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405AAE
#405AAE
oklch(49.2% 0.137 268.1)
- #795D00
#795D00
oklch(49.3% 0.101 88.1)
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 #405AAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.047
- French Blue #436BAD ΔE 0.048
- Twilight #4E518B ΔE 0.059
- Iris #6258C4 ΔE 0.059
- Dusk Blue #26538D ΔE 0.064
- Denim #3B638C ΔE 0.066
Use #405AAE 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.