Cobalt #1E488F

About this color

#1E488F is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.127 and its hue 260°. Its hue sits on the cool side of the wheel. It is the named color Cobalt. White text reads best on it, at 8.82:1.

Colors that go with Cobalt

Matches found by rotating Cobalt around the OKLCH hue wheel, each labelled with the closest name in our list.

Color palettes with Cobalt

Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Cobalt, closest first.

• Vector Dashboard
• Summit Briefing
• Anchor Advisory
• Trust Briefing
• Seaside Flight
• Whiteboard Template
• Packet Console
• Vector Grid

Similar named colors

The eight named colors closest to Cobalt, with their ΔE distance.

• Light Navy #155084 ΔE 0.032
• Dusk Blue #26538D ΔE 0.034
• Twilight Blue #0A437A ΔE 0.041
• Deep Sea Blue #015482 ΔE 0.045
• Blueberry #464196 ΔE 0.051
• Dark Slate Blue #483D8B ΔE 0.056
• Light Navy Blue #2E5A88 ΔE 0.060
• Sapphire #2138AB ΔE 0.061

More about Cobalt

• Shades of blue
• What blue means

How to make Cobalt

A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.

• 4 parts blue
• 1 part red

Recipe result: #2A4B8D, a difference of ΔE 0.016 from Cobalt. That is very close: most people will not see the difference.

What colors make blue? | Color mixing chart

Codes for Cobalt in every format

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.

Shades and tints of Cobalt

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 800.

1. Step 50

   50

   #F2F6FC

   oklch(97.2% 0.009 258.3)

2. Step 100

   100

   #E2EAF9

   oklch(93.5% 0.022 263.2)

3. Step 200

   200

   #CADAF5

   oklch(88.5% 0.041 260.9)

4. Step 300

   300

   #A5C2F1

   oklch(80.9% 0.074 260)

5. Step 400

   400

   #75A1EA

   oklch(70.7% 0.118 260.2)

6. Step 500

   500

   #5187E4

   oklch(63.1% 0.152 260.6)

7. Step 600

   600

   #346FD2

   oklch(55.6% 0.165 260.1)

8. Step 700

   700

   #275CB6

   oklch(49.1% 0.154 260.3)

9. Step 800

   800 (this color)

   #1E488F

   oklch(41.4% 0.127 260.3)

10. Step 900

    900

    #204075

    oklch(37.7% 0.098 259.9)

11. Step 950

    950

    #132645

    oklch(27.1% 0.063 259.7)

Export this scale for Tailwind in the Tailwind colors tool

Cobalt 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.