#407FA2
Closest named color: Cerulean (#457B9D). oklch(57% 0.084 235.2), rgb(64, 127, 162).
Aa
Black text reads best on this color (4.77:1).
About this color
#407FA2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.084 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.012 away. Black text reads best on it, at 4.77:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #407FA2 |
| RGB | rgb(64, 127, 162) |
| HSL | hsl(201, 43%, 44%) |
| OKLCH | oklch(57% 0.084 235.2) |
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 #407FA2 | 4.39:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #407FA2 | 4.77:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #407FA2 text on white | 4.39:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #407FA2 text on black | 4.77:1 | AA | Lc -31.4 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#AAC5D6
oklch(80.9% 0.038 235.6)
-
Step 400
400
#7CA7C1
oklch(70.7% 0.06 235.3)
-
Step 500
500
#5891B2
oklch(63% 0.078 235.3)
-
Step 600
600 (this color)
#407FA2
oklch(57% 0.084 235.2)
-
Step 700
700
#2D6787
oklch(49% 0.079 235.8)
-
Step 800
800
#27546E
oklch(42.6% 0.066 236.5)
-
Step 900
900
#254659
oklch(37.8% 0.051 235.5)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#407FA2 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) | #6E7EA4 | 0.052 |
| Deuteranopia (no green cones) | #6174A1 | 0.044 |
| Tritanopia (no blue cones) | #00888B | 0.060 |
| Achromatopsia (no color) | #787878 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #407FA2
#407FA2
oklch(57% 0.084 235.2)
- #9E6A45
#9E6A45
oklch(57.1% 0.084 55.6)
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 #407FA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.012
- Stormy Blue #507B9C ΔE 0.018
- Dull Blue #49759C ΔE 0.028
- Steel Blue #4682B4 ΔE 0.029
- Off Blue #5684AE ΔE 0.033
- Cool Blue #4984B8 ΔE 0.037
- Teal Blue #01889F ΔE 0.037
- Blue NCS #118AB2 ΔE 0.038
Use #407FA2 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.