#627CBE
Closest named color: Cool Blue (#4984B8). oklch(59.5% 0.106 266.9), rgb(98, 124, 190).
Aa
Black text reads best on this color (5.14:1).
About this color
#627CBE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.106 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.036 away. Black text reads best on it, at 5.14:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #627CBE |
| RGB | rgb(98, 124, 190) |
| HSL | hsl(223, 41%, 56%) |
| OKLCH | oklch(59.5% 0.106 266.9) |
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 #627CBE | 4.08:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #627CBE | 5.14:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #627CBE text on white | 4.08:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #627CBE text on black | 5.14:1 | AA | Lc -33.8 | 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 500.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B1C0E3
oklch(80.8% 0.052 266.9)
-
Step 400
400
#899FD5
oklch(70.6% 0.083 267.1)
-
Step 500
500 (this color)
#627CBE
oklch(59.5% 0.106 266.9)
-
Step 600
600
#5570B7
oklch(55.7% 0.115 266.9)
-
Step 700
700
#455D9D
oklch(49% 0.107 266.9)
-
Step 800
800
#394C7F
oklch(42.6% 0.088 267.2)
-
Step 900
900
#314066
oklch(37.7% 0.068 266.8)
-
Step 950
950
#1D263C
oklch(27.1% 0.043 266.6)
#627CBE 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) | #6382C1 | 0.017 |
| Deuteranopia (no green cones) | #597ABD | 0.013 |
| Tritanopia (no blue cones) | #3C8A94 | 0.095 |
| Achromatopsia (no color) | #7E7E7E | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #627CBE
#627CBE
oklch(59.5% 0.106 266.9)
- #9A7A27
#9A7A27
oklch(59.5% 0.106 86.9)
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 #627CBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.036
- Steel Blue #4682B4 ΔE 0.039
- Off Blue #5684AE ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.044
- Faded Blue #658CBB ΔE 0.047
- Windows Blue #3778BF ΔE 0.047
- Stormy Blue #507B9C ΔE 0.059
- Flat Blue #3C73A8 ΔE 0.061
Use #627CBE 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.