#7F99DC
Closest named color: Cornflower Blue (#6495ED). oklch(69% 0.104 267.5), rgb(127, 153, 220).
Aa
Black text reads best on this color (7.49:1).
About this color
#7F99DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.104 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.043 away. Black text reads best on it, at 7.49:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #7F99DC |
| RGB | rgb(127, 153, 220) |
| HSL | hsl(223, 57%, 68%) |
| OKLCH | oklch(69% 0.104 267.5) |
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 #7F99DC | 2.80:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #7F99DC | 7.49:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #7F99DC text on white | 2.80:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #7F99DC text on black | 7.49:1 | AAA | Lc -48.0 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AEC0EB
oklch(80.9% 0.064 267.2)
-
Step 400
400 (this color)
#7F99DC
oklch(69% 0.104 267.5)
-
Step 500
500
#6685D9
oklch(63.1% 0.132 267.3)
-
Step 600
600
#4E6DC7
oklch(55.6% 0.144 267.3)
-
Step 700
700
#3F5AAC
oklch(49% 0.135 267.6)
-
Step 800
800
#344A8B
oklch(42.6% 0.111 267.5)
-
Step 900
900
#2D3F6F
oklch(37.8% 0.085 266.8)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#7F99DC 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) | #819FDF | 0.016 |
| Deuteranopia (no green cones) | #7897DA | 0.011 |
| Tritanopia (no blue cones) | #5FA7B1 | 0.093 |
| Achromatopsia (no color) | #9A9A9A | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F99DC
#7F99DC
oklch(69% 0.104 267.5)
- #B7974A
#B7974A
oklch(69% 0.103 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 #7F99DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.043
- Perrywinkle #8F8CE7 ΔE 0.045
- Periwinkle Blue #8F99FB ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.064
- Soft Blue #6488EA ΔE 0.066
- Faded Blue #658CBB ΔE 0.067
- Lavender Blue #8B88F8 ΔE 0.068
- Greyblue #77A1B5 ΔE 0.070
Use #7F99DC 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.