#627BC7
Closest named color: Cool Blue (#4984B8). oklch(59.8% 0.12 268.8), rgb(98, 123, 199).
Aa
Black text reads best on this color (5.17:1).
About this color
#627BC7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.120 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.046 away. Black text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #627BC7 |
| RGB | rgb(98, 123, 199) |
| HSL | hsl(225, 47%, 58%) |
| OKLCH | oklch(59.8% 0.12 268.8) |
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 #627BC7 | 4.05:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #627BC7 | 5.17:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #627BC7 text on white | 4.05:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #627BC7 text on black | 5.17:1 | AA | Lc -34.0 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B1C0E8
oklch(81% 0.059 268.9)
-
Step 400
400
#889EDC
oklch(70.6% 0.095 268.9)
-
Step 500
500 (this color)
#627BC7
oklch(59.8% 0.12 268.8)
-
Step 600
600
#546EBF
oklch(55.7% 0.129 268.6)
-
Step 700
700
#455BA5
oklch(49.1% 0.121 269.1)
-
Step 800
800
#384B86
oklch(42.8% 0.101 268.5)
-
Step 900
900
#303F6B
oklch(37.7% 0.078 268.3)
-
Step 950
950
#1C253F
oklch(27% 0.05 268.4)
#627BC7 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) | #5D83CA | 0.021 |
| Deuteranopia (no green cones) | #527AC5 | 0.020 |
| Tritanopia (no blue cones) | #358B97 | 0.108 |
| Achromatopsia (no color) | #7E7E7E | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #627BC7
#627BC7
oklch(59.8% 0.12 268.8)
- #9C7B09
#9C7B09
oklch(59.8% 0.12 89.4)
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 #627BC7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.046
- Windows Blue #3778BF ΔE 0.048
- Steel Blue #4682B4 ΔE 0.049
- Off Blue #5684AE ΔE 0.053
- Faded Blue #658CBB ΔE 0.056
- Dusty Blue #5A86AD ΔE 0.057
- Soft Blue #6488EA ΔE 0.058
- Water Blue #0E87CC ΔE 0.062
Use #627BC7 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.