#7F99CC
Closest named color: Cool Gray (#8D99AE). oklch(68.3% 0.081 263.5), rgb(127, 153, 204).
Aa
Black text reads best on this color (7.33:1).
About this color
#7F99CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.081 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.047 away. Black text reads best on it, at 7.33:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #7F99CC |
| RGB | rgb(127, 153, 204) |
| HSL | hsl(220, 43%, 65%) |
| OKLCH | oklch(68.3% 0.081 263.5) |
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 #7F99CC | 2.86:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #7F99CC | 7.33:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #7F99CC text on white | 2.86:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #7F99CC text on black | 7.33:1 | AAA | Lc -47.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#D0D9EC
oklch(88.4% 0.028 265.4)
-
Step 300
300
#B0C1E2
oklch(80.9% 0.05 263.7)
-
Step 400
400 (this color)
#7F99CC
oklch(68.3% 0.081 263.5)
-
Step 500
500
#6888C9
oklch(63% 0.105 263.7)
-
Step 600
600
#5071B5
oklch(55.5% 0.113 263.5)
-
Step 700
700
#415F9C
oklch(49.2% 0.104 263.3)
-
Step 800
800
#364D7F
oklch(42.6% 0.088 264.3)
-
Step 900
900
#2F4166
oklch(37.8% 0.068 263.7)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#7F99CC 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) | #879CCE | 0.014 |
| Deuteranopia (no green cones) | #8095CB | 0.011 |
| Tritanopia (no blue cones) | #66A4AB | 0.073 |
| Achromatopsia (no color) | #999999 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F99CC
#7F99CC
oklch(68.3% 0.081 263.5)
- #B1955D
#B1955D
oklch(68.3% 0.081 83.8)
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 #7F99CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.047
- Greyblue #77A1B5 ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.053
- Faded Blue #658CBB ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.055
- Silver Lake Blue #778DA9 ΔE 0.057
- Cornflower Blue #6495ED ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.063
Use #7F99CC 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.